/***************************************************************************
 *   Copyright (C) 2009 by Zheng Yonglei
 *   zhengyonglei@gmail.com   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#ifndef BROWSEWORDSWIDGET_H
#define BROWSEWORDSWIDGET_H

#include <QtGui/QWidget>
//#include <QMessageBox>
#include <QShortcut>
#include <QProcess>
#include <QSound>

#include "ui_BrowseWordsWidget.h"

#include "WordManager.h"
#include "Logger.h"
#include "Options.h"
#include "Word.h"
#include "MessageBox.h"
#include "SQLiteDB.h"

enum BrowseDirection
{
	BD_Next,
	BD_Previous,
	BD_none
};

class BrowseWordsWidget : public QWidget
{
    Q_OBJECT

public:
    BrowseWordsWidget(QWidget *parent = 0);
    ~BrowseWordsWidget();

    void clearDisplay(){ui.browseDisplayArea->getTextBrowser()->clear();}

    void initConnections();
    void initWordBrowserTask();
    void startBrowser(){mStartBrowse = true;}

	void showWordHistoryInfo();
	void showCustomListInfo();

	QTextBrowser* browserDiaplay(){return ui.browseDisplayArea->getTextBrowser();}

public slots:
	//navigation functions
	void browseNextWord();
	void browsePreviousWord();
	void browseWordByIndex(int index);

	 //void browserScrollUp();
	 //void browserScrollDown();

	void changeWordId(int id);
	void speakButtonClicked();

	void updateCustomListInfo();

	void setSkipFinishedCheckBoxVal();

private:
    Ui::BrowseWordsWidgetClass ui;

    QShortcut* mSpeakShortcut;
    QShortcut* mBrowsePreviousShortcut;
    QShortcut* mBrowseNextShortcut;
    QShortcut* mScrollUpShortcut;
	QShortcut* mScrollDownShortcut;
	QShortcut* mSetCustomListShortcut;

	BrowseDirection mBrowseDirecton;
	bool mHasUntouched;
	bool mStartBrowse;
};

#endif // BROWSEWORDSWIDGET_H
